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Sergio039 [100]
3 years ago
6

Two force always involved in using a machine are

Physics
1 answer:
yawa3891 [41]3 years ago
3 0
Effort force and Resistance force
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If you started the motor of a boat in the middle of a lake, who would detect the sound of the motor first: a friend sitting on t
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A friend snorkeling just below the surface of the water along the same shore will detect the sound first.

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